class_docstr: A callable for parsing and resolving CSS to atomic properties.
class_docstr_tok: ["A","callable","for","parsing","and","resolving","CSS","to","atomic","properties","."]
code: def _get_font_size(self, props: dict[str, str]) -> float | None:
      if props.get("font-size"):
          font_size_string = props["font-size"]
          return self._get_float_font_size_from_pt(font_size_string)
      return None
  
file_path: catboost/contrib/python/pandas/py3/pandas/io/formats/css.py
imports: from __future__ import annotations
  import re
  from typing import Callable, Generator, Iterable, Iterator
  import warnings
  from pandas.errors import CSSWarning
  from pandas.util._exceptions import find_stack_level
label_desc: Use image node_id 4 for calling the CSSResolver obj's underlying member method code with example usage: obj._get_font_size(props) and returns: None, self